Andy, how do you trim it - i.e. what reference do you use to see when you have the frequency accurate? ----- Original Message ----- From: Andrew Kunz To: Sent: Thursday, March 09, 2000 2:21 PM Subject: Re: Why doesn't 1+1=2? > I have worked on several clocks (in set-top boxes). A crystal with an > adjustable cap (to trim) is absolutely the only way to get what you want. A > couple seconds max per month is easy then. > > Andy >